--- /dev/null
+<?php
+
+namespace Drupal\Tests\views\Unit\Controller;
+
+use Drupal\Core\Render\RenderContext;
+use Drupal\Tests\UnitTestCase;
+use Drupal\views\Ajax\ViewAjaxResponse;
+use Drupal\views\Controller\ViewAjaxController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+/**
+ * @coversDefaultClass \Drupal\views\Controller\ViewAjaxController
+ * @group views
+ */
+class ViewAjaxControllerTest extends UnitTestCase {
+
+ /**
+ * The mocked view entity storage.
+ *
+ * @var \Drupal\Core\Entity\EntityStorageInterface|\PHPUnit_Framework_MockObject_MockObject
+ */
+ protected $viewStorage;
+
+ /**
+ * The mocked executable factory.
+ *
+ * @var \Drupal\views\ViewExecutableFactory|\PHPUnit_Framework_MockObject_MockObject
+ */
+ protected $executableFactory;
+
+ /**
+ * The tested views ajax controller.
+ *
+ * @var \Drupal\views\Controller\ViewAjaxController
+ */
+ protected $viewAjaxController;
+
+ /**
+ * The mocked current path.
+ *
+ * @var \Drupal\Core\Path\CurrentPathStack|\PHPUnit_Framework_MockObject_MockObject
+ */
+ protected $currentPath;
+
+ /**
+ * The redirect destination.
+ *
+ * @var \Drupal\Core\Routing\RedirectDestinationInterface|\PHPUnit_Framework_MockObject_MockObject
+ */
+ protected $redirectDestination;
+
+ /**
+ * The renderer.
+ *
+ * @var \Drupal\Core\Render\RendererInterface|\PHPUnit_Framework_MockObject_MockObject
+ */
+ protected $renderer;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ $this->viewStorage = $this->getMock('Drupal\Core\Entity\EntityStorageInterface');
+ $this->executableFactory = $this->getMockBuilder('Drupal\views\ViewExecutableFactory')
+ ->disableOriginalConstructor()
+ ->getMock();
+ $this->renderer = $this->getMock('\Drupal\Core\Render\RendererInterface');
+ $this->renderer->expects($this->any())
+ ->method('render')
+ ->will($this->returnCallback(function(array &$elements) {
+ $elements['#attached'] = [];
+ return isset($elements['#markup']) ? $elements['#markup'] : '';
+ }));
+ $this->renderer->expects($this->any())
+ ->method('executeInRenderContext')
+ ->willReturnCallback(function (RenderContext $context, callable $callable) {
+ return $callable();
+ });
+ $this->currentPath = $this->getMockBuilder('Drupal\Core\Path\CurrentPathStack')
+ ->disableOriginalConstructor()
+ ->getMock();
+ $this->redirectDestination = $this->getMock('\Drupal\Core\Routing\RedirectDestinationInterface');
+
+ $this->viewAjaxController = new ViewAjaxController($this->viewStorage, $this->executableFactory, $this->renderer, $this->currentPath, $this->redirectDestination);
+
+ $element_info_manager = $this->getMock('\Drupal\Core\Render\ElementInfoManagerInterface');
+ $request_stack = new RequestStack();
+ $request_stack->push(new Request());
+ $args = [
+ $this->getMock('\Drupal\Core\Controller\ControllerResolverInterface'),
+ $this->getMock('\Drupal\Core\Theme\ThemeManagerInterface'),
+ $element_info_manager,
+ $this->getMock('\Drupal\Core\Render\PlaceholderGeneratorInterface'),
+ $this->getMock('\Drupal\Core\Render\RenderCacheInterface'),
+ $request_stack,
+ [
+ 'required_cache_contexts' => [
+ 'languages:language_interface',
+ 'theme',
+ ],
+ ],
+ ];
+ $this->renderer = $this->getMockBuilder('Drupal\Core\Render\Renderer')
+ ->setConstructorArgs($args)
+ ->setMethods(NULL)
+ ->getMock();
+ $container = new ContainerBuilder();
+ $container->set('renderer', $this->renderer);
+ \Drupal::setContainer($container);
+ }
+
+ /**
+ * Tests missing view_name and view_display_id
+ */
+ public function testMissingViewName() {
+ $request = new Request();
+ $this->setExpectedException(NotFoundHttpException::class);
+ $this->viewAjaxController->ajaxView($request);
+ }
+
+ /**
+ * Tests with view_name and view_display_id but not existing view.
+ */
+ public function testMissingView() {
+ $request = new Request();
+ $request->request->set('view_name', 'test_view');
+ $request->request->set('view_display_id', 'page_1');
+
+ $this->viewStorage->expects($this->once())
+ ->method('load')
+ ->with('test_view')
+ ->will($this->returnValue(FALSE));
+
+ $this->setExpectedException(NotFoundHttpException::class);
+ $this->viewAjaxController->ajaxView($request);
+ }
+
+ /**
+ * Tests a view without having access to it.
+ */
+ public function testAccessDeniedView() {
+ $request = new Request();
+ $request->request->set('view_name', 'test_view');
+ $request->request->set('view_display_id', 'page_1');
+
+ $view = $this->getMockBuilder('Drupal\views\Entity\View')
+ ->disableOriginalConstructor()
+ ->getMock();
+
+ $this->viewStorage->expects($this->once())
+ ->method('load')
+ ->with('test_view')
+ ->will($this->returnValue($view));
+
+ $executable = $this->getMockBuilder('Drupal\views\ViewExecutable')
+ ->disableOriginalConstructor()
+ ->getMock();
+ $executable->expects($this->once())
+ ->method('access')
+ ->will($this->returnValue(FALSE));
+
+ $this->executableFactory->expects($this->once())
+ ->method('get')
+ ->with($view)
+ ->will($this->returnValue($executable));
+
+ $this->setExpectedException(AccessDeniedHttpException::class);
+ $this->viewAjaxController->ajaxView($request);
+ }
+
+ /**
+ * Tests a valid view without arguments pagers etc.
+ */
+ public function testAjaxView() {
+ $request = new Request();
+ $request->request->set('view_name', 'test_view');
+ $request->request->set('view_display_id', 'page_1');
+ $request->request->set('view_path', '/test-page');
+ $request->request->set('_wrapper_format', 'ajax');
+ $request->request->set('ajax_page_state', 'drupal.settings[]');
+ $request->request->set('type', 'article');
+
+ list($view, $executable) = $this->setupValidMocks();
+
+ $display_handler = $this->getMockBuilder('Drupal\views\Plugin\views\display\DisplayPluginBase')
+ ->disableOriginalConstructor()
+ ->getMock();
+ // Ensure that the pager element is not set.
+ $display_handler->expects($this->never())
+ ->method('setOption');
+
+ $display_collection = $this->getMockBuilder('Drupal\views\DisplayPluginCollection')
+ ->disableOriginalConstructor()
+ ->getMock();
+ $display_collection->expects($this->any())
+ ->method('get')
+ ->with('page_1')
+ ->will($this->returnValue($display_handler));
+
+ $executable->displayHandlers = $display_collection;
+
+ $this->redirectDestination->expects($this->atLeastOnce())
+ ->method('set')
+ ->with('/test-page?type=article');
+
+ $response = $this->viewAjaxController->ajaxView($request);
+ $this->assertTrue($response instanceof ViewAjaxResponse);
+
+ $this->assertSame($response->getView(), $executable);
+
+ $this->assertViewResultCommand($response);
+ }
+
+ /**
+ * Tests a valid view with arguments.
+ */
+ public function testAjaxViewWithArguments() {
+ $request = new Request();
+ $request->request->set('view_name', 'test_view');
+ $request->request->set('view_display_id', 'page_1');
+ $request->request->set('view_args', 'arg1/arg2');
+
+ list($view, $executable) = $this->setupValidMocks();
+ $executable->expects($this->once())
+ ->method('preview')
+ ->with('page_1', ['arg1', 'arg2']);
+
+ $response = $this->viewAjaxController->ajaxView($request);
+ $this->assertTrue($response instanceof ViewAjaxResponse);
+
+ $this->assertViewResultCommand($response);
+ }
+
+ /**
+ * Tests a valid view with arguments.
+ */
+ public function testAjaxViewWithEmptyArguments() {
+ $request = new Request();
+ $request->request->set('view_name', 'test_view');
+ $request->request->set('view_display_id', 'page_1');
+ // Simulate a request that has a second, empty argument.
+ $request->request->set('view_args', 'arg1/');
+
+ list($view, $executable) = $this->setupValidMocks();
+ $executable->expects($this->once())
+ ->method('preview')
+ ->with('page_1', $this->identicalTo(['arg1', NULL]));
+
+ $response = $this->viewAjaxController->ajaxView($request);
+ $this->assertTrue($response instanceof ViewAjaxResponse);
+
+ $this->assertViewResultCommand($response);
+ }
+
+ /**
+ * Tests a valid view with a pager.
+ */
+ public function testAjaxViewWithPager() {
+ $request = new Request();
+ $request->request->set('view_name', 'test_view');
+ $request->request->set('view_display_id', 'page_1');
+ $dom_id = $this->randomMachineName(20);
+ $request->request->set('view_dom_id', $dom_id);
+ $request->request->set('pager_element', '0');
+
+ list($view, $executable) = $this->setupValidMocks();
+
+ $display_handler = $this->getMockBuilder('Drupal\views\Plugin\views\display\DisplayPluginBase')
+ ->disableOriginalConstructor()
+ ->getMock();
+ $display_handler->expects($this->once())
+ ->method('setOption', '0')
+ ->with($this->equalTo('pager_element'));
+
+ $display_collection = $this->getMockBuilder('Drupal\views\DisplayPluginCollection')
+ ->disableOriginalConstructor()
+ ->getMock();
+ $display_collection->expects($this->any())
+ ->method('get')
+ ->with('page_1')
+ ->will($this->returnValue($display_handler));
+ $executable->displayHandlers = $display_collection;
+
+ $response = $this->viewAjaxController->ajaxView($request);
+ $this->assertTrue($response instanceof ViewAjaxResponse);
+
+ $commands = $this->getCommands($response);
+ $this->assertEquals('viewsScrollTop', $commands[0]['command']);
+ $this->assertEquals('.js-view-dom-id-' . $dom_id, $commands[0]['selector']);
+
+ $this->assertViewResultCommand($response, 1);
+ }
+
+ /**
+ * Sets up a bunch of valid mocks like the view entity and executable.
+ */
+ protected function setupValidMocks() {
+ $view = $this->getMockBuilder('Drupal\views\Entity\View')
+ ->disableOriginalConstructor()
+ ->getMock();
+
+ $this->viewStorage->expects($this->once())
+ ->method('load')
+ ->with('test_view')
+ ->will($this->returnValue($view));
+
+ $executable = $this->getMockBuilder('Drupal\views\ViewExecutable')
+ ->disableOriginalConstructor()
+ ->getMock();
+ $executable->expects($this->once())
+ ->method('access')
+ ->will($this->returnValue(TRUE));
+ $executable->expects($this->once())
+ ->method('preview')
+ ->will($this->returnValue(['#markup' => 'View result']));
+
+ $this->executableFactory->expects($this->once())
+ ->method('get')
+ ->with($view)
+ ->will($this->returnValue($executable));
+
+ return [$view, $executable];
+ }
+
+ /**
+ * Gets the commands entry from the response object.
+ *
+ * @param \Drupal\views\Ajax\ViewAjaxResponse $response
+ * The views ajax response object.
+ *
+ * @return mixed
+ * Returns the commands.
+ */
+ protected function getCommands(ViewAjaxResponse $response) {
+ $reflection_property = new \ReflectionProperty('Drupal\views\Ajax\ViewAjaxResponse', 'commands');
+ $reflection_property->setAccessible(TRUE);
+ $commands = $reflection_property->getValue($response);
+ return $commands;
+ }
+
+ /**
+ * Ensures that the main view content command is added.
+ *
+ * @param \Drupal\views\Ajax\ViewAjaxResponse $response
+ * The response object.
+ * @param int $position
+ * The position where the view content command is expected.
+ */
+ protected function assertViewResultCommand(ViewAjaxResponse $response, $position = 0) {
+ $commands = $this->getCommands($response);
+ $this->assertEquals('insert', $commands[$position]['command']);
+ $this->assertEquals('View result', $commands[$position]['data']);
+ }
+
+}
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